Package org.drools.drl.parser.impl

Class Operator

java.lang.Object

org.drools.drl.parser.impl.Operator

All Implemented Interfaces:

Externalizable, Serializable, Operator

public class Operator
extends Object
implements Externalizable, Operator

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Operator.BuiltInOperator

Constructor Summary

Constructors

Constructor	Description
Operator()

Method Summary

Modifier and Type	Method	Description
static Operator	addOperatorToRegistry(String operatorId, boolean isNegated)	Creates a new Operator instance for the given parameters, adds it to the registry and return it
static Operator	determineOperator(String operatorId, boolean isNegated)	Returns the operator instance for the given parameters
boolean	equals(Object obj)
static Collection<Operator>	getAllOperators()
String	getOperatorString()
int	hashCode()
boolean	isNegated()
void	readExternal(ObjectInput in)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Operator

public Operator()

Method Details

addOperatorToRegistry

public static Operator addOperatorToRegistry(String operatorId,
 boolean isNegated)

Creates a new Operator instance for the given parameters, adds it to the registry and return it

Parameters:

operatorId - the identification symbol of the operator

isNegated - true if it is negated

Returns:

the newly created operator

getAllOperators

public static Collection<Operator> getAllOperators()

determineOperator

public static Operator determineOperator(String operatorId,
 boolean isNegated)

Returns the operator instance for the given parameters

Parameters:

operatorId - the identification symbol of the operator

isNegated - true if it is negated

Returns:

the operator in case it exists

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

getOperatorString

public String getOperatorString()

Specified by:

getOperatorString in interface Operator

isNegated

public boolean isNegated()

Specified by:

isNegated in interface Operator

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object